/* Copyright 2012 The Netty Project
 * 
 * The Netty Project licenses this file to you under the Apache License, version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the License at:
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License. */
package io.netty.example.securechat;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
import io.netty.handler.codec.Delimiters;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;
import io.netty.handler.ssl.SslContext;

/**
 * Creates a newly configured {@link ChannelPipeline} for a new channel.
 */
public class SecureChatClientInitializer extends ChannelInitializer<SocketChannel> {

	private final SslContext sslCtx;

	public SecureChatClientInitializer(SslContext sslCtx) {
		this.sslCtx = sslCtx;
	}

	@Override
	public void initChannel(SocketChannel ch) throws Exception {
		ChannelPipeline pipeline = ch.pipeline();

		// Add SSL handler first to encrypt and decrypt everything.
		// In this example, we use a bogus certificate in the server side
		// and accept any invalid certificates in the client side.
		// You will need something more complicated to identify both
		// and server in the real world.
		pipeline.addLast(sslCtx.newHandler(ch.alloc(), SecureChatClient.HOST, SecureChatClient.PORT));

		// On top of the SSL handler, add the text line codec.
		pipeline.addLast(new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter()));
		pipeline.addLast(new StringDecoder());
		pipeline.addLast(new StringEncoder());

		// and then business logic.
		pipeline.addLast(new SecureChatClientHandler());
	}
}
